Abstract

These days Wireless Communication is one of the popular areas of research. Mobile ad-hoc networks (MANET) operate in the absence of any supporting infrastructure. The absence of fixed infrastructure in MANET makes it difficult to utilize the existing techniques for network services, and poses number of various challenges in the area. The discovery and maintenance of secure route is the most difficult challenge. Security is one of the important issues in MANET. The assumption of a trusted environment is not one that can be realistically expected; hence, several efforts have been made toward the design of a secure and robust routing protocol for ad hoc networks. This paper includes study and overview of some existing secure routing protocols in MANET.

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